1 Feline stomatitis is a severe, painful inflammation of a catâs mouth and gums. 2  Dental disease, certain viruses, and some other inflammatory conditions can cause feline stomatitis.  The long-term outcome can vary. Many cats require long-term treatment to control the condition.
Vaccine Adverse Event Reporting System. The Vaccine Adverse Event Reporting System (VAERS) is a United States program for vaccine safety, co-managed by the U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA).
A vaccine, like any medicine, is capable of causing serious problems, such as severe allergic reactions. Such reactions, however, are very rare. Mild side effects could include soreness, redness, and possibly swelling at the site of the vaccination, as well as mild fever, headache and fatigue.